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CMP Exam 2| 124 Solved Questions with Verified Answers Latest 2024
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CMP Exam 2| 124 Solved Questions with Verified Answers Latest 2024
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CMP Exam 2| 124 Solved Questionswith Verified Answers Latest 2024
2 classifications of Roof systems - ✔✔-Steep: Residential, slope greater
than 3/12
-low slope: commercial
pitch - ✔✔rise/ 2x run
fly rafter - ✔✔part that hangs off the end off roof (gable end)
Roof deck material - ✔✔OSB or Plywood
roof slope limitations - ✔✔slope may impose limitations on roof
material selection (asphalt, metal, wood)
underlayment - ✔✔purpose: protect...
- roof until shingles are on
- wind driven rain and snow
- out gassing from OSB
Bundle - ✔✔smaller unit of roof shingle material, usually 3-5 bundles=1 square
Ice Damming - ✔✔lots of snow build up on rood edge
,how to fix ice damming (short) (long) - ✔✔short
term -heat tape
-sheet metal
long term
-eave vents
-ridge vents
-pod vents
-gable end vents
Mortar - ✔✔Bonds individual units together
4 Functions of Mortar - ✔✔-
bind -seal: moisure + air -
compensate: size variation -
esthetic: color + shadow lines
Make up of Mortar - ✔✔-portland cement +
lime -sand (clean washed) (well graded) -water
(clean)
What do we use mortar with - ✔✔-bricks
, -stones
-CMU's
mortar plastic state - ✔✔-workable
-water retentative
-bond quality
-consistent rate of hardening
mortar hardened state - ✔✔-appearance
-seals
-bond
-low efflorescence: white powder appearance
*how to clean: brush + water
Types of mortar - ✔✔*M: 2500psi (best) (above below grade)
S: 1800psi (above below grade)
*N: 750psi (above grade)
O: 350psi (non load bearing)
K: 75psi (truck pointing)
*= most common
Mortar color - ✔✔- depends on type of mortar
- time of tooling(stricking)
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